Renesas RL78/G1H User Manual

RL78/G1H CHAPTER 16 DATA TRANSFER CONTROLLER (DTC)
R01UH0575EJ0120 Rev. 1.20 Page 537 of 920
Dec 22, 2016
16.5.5 Number of DTC Execution Clock Cycles
Table 16 - 9 lists the Operations Following DTC Activation and Required Number of Cycles for each operation.
Note 1. For the number of clock cycles required for control data write-back, refer to Table 16 - 10 Number of Clock Cycles
Required for Control Data Write-Back Operation
.
Note 2. For the number of clock cycles required for data read/write, refer to Table 16 - 11 Number of Clock Cycles Required for
One Data Read/Write Operation
.
Remark j = 0 to 23; X: 0 or 1
Note The number of wait states differs depending on the specifications of the register allocated to the extended special
function register (2nd SFR) to be accessed.
Table 16 - 9 Operations Following DTC Activation and Required Number of Cycles
Vector Read
Control Data
Data Read Data Write
Read Write-back
14
Note 1Note 2Note 2
Table 16 - 10 Number of Clock Cycles Required for Control Data Write-Back Operation
DTCCR Register Setting Address Setting Control Register to be Written Back
Number
of Clock
Cycles
DAMOD SAMOD RPTSEL MODE Source Destination
DTCCTj
Register
DTRLDj
Register
DTSARj
Register
DTDARj
Register
0 0 X 0 Fixed Fixed Written back Written back
Not written
back
Not written
back
1
01X0
Incremented Fixed Written back Written back Written back
Not written
back
2
10X0Fixed
Incremented Written back Written back
Not written
back
Written back 2
11X0
Incremented Incremented Written back Written back Written back Written back 3
0X11
Repeat
area
Fixed Written back Written back Written back
Not written
back
2
1X11
Incremented Written back Written back Written back Written back 3
X001Fixed
Repeat
area
Written back Written back
Not written
back
Written back 2
X101
Incremented Written back Written back Written back Written back 3
Table 16 - 11 Number of Clock Cycles Required for One Data Read/Write Operation
Operation RAM
Code Flash
Memory
Data Flash
Memory
Special function register (SFR)
Extended special function register (2nd SFR)
No Wait State Wait States
Data read 1 2 4 1 1
1 + number of wait states
Note
Data write 1 — — 1 1
1 + number of wait states
Note

Renesas RL78/G1H Specifications

General

Brand	Renesas
Model	RL78/G1H
Category	Microcontrollers
Language	English